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United States Utility Patents
5,289,310 - 5,289,319

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NumberTitle
5,289,310 A frame line memory control circuit and method for controlling storage of video data of a video signal
5,289,311 Optical element such as a rear projection screen for an image display device and method of producing same
5,289,312 Catadioptric reduction projection optical system
5,289,313 Optical head using semiconductor laser array as light source
5,289,314 Coatings for laser detector etalons
5,289,315 Head-up display system including a uniformly reflecting layer and a selectively reflecting layer
5,289,316 Measuring objective
5,289,317 Compact zoom lens
5,289,318 Optical apparatus provided with a driving unit for moving a lens
5,289,319 Apparatus and method for detecting physical orientation of a position system and for calibrating an optimum control for the system that is usable in optical disk recorders



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